A scientist who study the changes that the earth has undergone as its physical, chemical, and biological systems have interacted during its 4.5 billion year history
Geologists
The study of the universe
Astronomy
Only two continents, Australia and Antarctica, lie completely within this hemisphere
Southern Hemisphere
It is a flat model of the Earth
Map
A scientist who study the earth
Geographers
Our planet; made up of land, water and air
Earth
the study of Earth’s water
Hydrology
The study of Earth’s land, which includes the crust, mantle and core
Geology
A model of the earth, a kind of map
Globe
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